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Old 09-01-2010, 12:47 PM   #60 (permalink)
bs0u0155
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I've been looking at the Davis Craig electric water pumps, and concluded they could be quite good for FE. Mainly for two reasons, 1. in many short journeys you'd be up to temperature faster. 2. you can modulate your whole engines running temp. I believe my car is thermostatically set to 85C. I believe that a higher temp, e.g. 90C gives better FE? also it allows radiators to work more efficiently as there's a greater delta t between them and the environment, which would allow for more aggressive grill blocking.

then there's the obvious advantage of removing another draggy belt pulley if your auxiliary drive belt path is amenable to removing one and fitting a shorter belt.
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